8018749 has 4 divisors (see below), whose sum is σ = 8154720. Its totient is φ = 7882780.

The previous prime is 8018719. The next prime is 8018767. The reversal of 8018749 is 9478108.

8018749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8018749 - 2¹³ = 8010557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67897 + ... + 68014.

It is an arithmetic number, because the mean of its divisors is an integer number (2038680).

Almost surely, 2^8018749 is an apocalyptic number.

It is an amenable number.

8018749 is a deficient number, since it is larger than the sum of its proper divisors (135971).

8018749 is a wasteful number, since it uses less digits than its factorization.

8018749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135970.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8018749 is about 2831.7395713589. The cubic root of 8018749 is about 200.1561197680.

The spelling of 8018749 in words is "eight million, eighteen thousand, seven hundred forty-nine".